Lapsed Aug 30, 2026 on the fee record · Medium confidence
20-year base term ended Jan 26, 2026
Why Medium: The fee record shows no payment for this window, and USPTO's status still reads "Patented Case".
First maintenance fee unpaid; grace period ended. The USPTO has not yet posted the lapse.
Held by Nytell Software LLC
Filed Jan 8, 2020 as application 16/737,679 · Granted Aug 30, 2022
Base term, 20 years from filing, plus 302 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 30, 2026
2006
2026
Clock starts
Jan 26, 2006
Jan 26, 2006
No longer in force
Aug 30, 2026
Aug 30, 2026
Granted
Aug 30, 2022
Aug 30, 2022
Term would have run to
Nov 24, 2026
Nov 24, 2026
base term
patent term adjustment
after the term ends
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
302
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 24, 2026: its 20-year base term plus 302 days of term adjustment for prosecution delay. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jan 26, 2006, when application 11/341,172, the earliest non-provisional in its chain, was filed (this one was filed Jan 8, 2020) | Jan 26, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +302 days, USPTO patent term adjustment record | Nov 24, 2026 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | The fee record shows no payment for this window, and USPTO's status still reads "Patented Case" | lapsed Aug 30, 2026 | Medium confidence |
| Computed term end | The steps above, in order | Aug 30, 2026 | Medium confidence |
This family
| US 9,077,691 | In force Dec 2031 | Dec 2031 |
| US 10,536,435 | In force Jul 2028 | Jul 2028 |
| US 11,431,685 | this patent Aug 2026 | Aug 2026 |
| US 11,943,206 | Term ended Feb 2026 | Feb 2026 |
| US 12,335,244 | Term ended Jan 2026 | Jan 2026 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 9, 2020 Reel 51461, frame 562 | Marples, David J.; Wullert, John R., II | Telcordia Technologies, Inc. | Assignment of Assignor's Interest |
| Jan 9, 2020 Reel 51461, frame 605 | Telcordia Technologies, Inc. | Telcordia Licensing Company LLC | Assignment of Assignor's Interest |
| Jan 9, 2020 Reel 51461, frame 639 | Telcordia Licensing Company LLC | Tti Inventions C LLC | Assignment of Assignor's Interest |
| Jan 9, 2020 Reel 51461, frame 770 | Tti Inventions C LLC | Nytell Software LLC | Merger |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 302 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2022 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.